How to use UpdateLabels method of cronjob Package

Best Testkube code snippet using cronjob.UpdateLabels

labels.go

Source:labels.go Github

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1package transformer2import (3 "fmt"4 "sort"5 "github.com/GoogleContainerTools/kpt-functions-sdk/go/fn"6)7type FieldPath []string8// LabelTransformer supports the set-labels workflow, it uses Config to parse functionConfig, Transform to change the labels9type LabelTransformer struct {10 // NewLabels is the desired labels11 NewLabels map[string]string12 // Results logs the changes to the KRM resource labels13 Results fn.Results14 // ResultCount logs the total count of each labels change15 ResultCount map[string]int16}17// NewLabelTransformer is the constructor for labelTransformer18func NewLabelTransformer() *LabelTransformer {19 resultCount := make(map[string]int)20 return &LabelTransformer{21 ResultCount: resultCount,22 }23}24// SetLabels perform the whole set labels operation according to given resourcelist25func SetLabels(rl *fn.ResourceList) (bool, error) {26 transformer := NewLabelTransformer()27 if err := transformer.Config(rl.FunctionConfig); err != nil {28 rl.Results = append(rl.Results, fn.ErrorResult(err))29 return false, nil30 }31 if err := transformer.Transform(rl.Items); err != nil {32 rl.Results = append(rl.Results, fn.ErrorResult(err))33 return false, nil34 }35 rl.Results = append(rl.Results, transformer.Results...)36 return true, nil37}38// Config parse the functionConfig kubeObject to the fields in the LabelTransformer39func (p *LabelTransformer) Config(functionConfig *fn.KubeObject) error {40 // parse labels to NewLabels41 switch {42 case functionConfig.IsEmpty():43 return fmt.Errorf("Config is Empty, failed to configure function: `functionConfig` must be either a `ConfigMap` or `SetLabels`")44 case functionConfig.IsGVK("", "v1", "ConfigMap"):45 p.NewLabels = functionConfig.NestedStringMapOrDie("data")46 case functionConfig.IsGVK(fn.KptFunctionGroup, fn.KptFunctionVersion, FnConfigKind):47 if _, exist, err := functionConfig.NestedSlice(fnDeprecateField); exist || err != nil {48 return fmt.Errorf("`additionalLabelFields` has been deprecated")49 }50 p.NewLabels = functionConfig.NestedStringMapOrDie("labels")51 if len(p.NewLabels) == 0 {52 return fmt.Errorf("failed to configure function: input label list cannot be empty, required valid `labels` field")53 }54 default:55 return fmt.Errorf("unknown functionConfig Kind=%v ApiVersion=%v, expect `%v` or `ConfigMap` with correct formatting",56 functionConfig.GetKind(), functionConfig.GetAPIVersion(), FnConfigKind)57 }58 return nil59}60// Transform updates the labels in the right path using GVK filter and other configurable fields61func (p *LabelTransformer) Transform(objects fn.KubeObjects) error {62 // using unit test and pass in empty string would provide a nil; an empty file in e2e would provide 0 object63 if objects.Len() == 0 || objects[0] == nil {64 newResult := fn.GeneralResult("no input resources", fn.Info)65 p.Results = append(p.Results, newResult)66 return nil67 }68 for _, o := range objects.WhereNot(func(o *fn.KubeObject) bool { return o.IsLocalConfig() }) {69 err := func() error {70 if err := p.setObjectMeta(o); err != nil {71 return err72 }73 if err := p.setSelector(o); err != nil {74 return err75 }76 if err := p.setPodTemplateSpec(o); err != nil {77 return err78 }79 if hasVolumeClaimTemplates(o) {80 if err := p.setVolumeClaimTemplates(o); err != nil {81 return err82 }83 }84 if hasJobTemplateSpec(o) {85 if err := p.setJobTemplateSpecMeta(o); err != nil {86 return err87 }88 }89 if hasNetworkPolicySpec(o) {90 if err := p.setNetworkPolicyRule(o); err != nil {91 return err92 }93 }94 return nil95 }()96 if err != nil {97 return err98 }99 p.LogResult(o, p.ResultCount)100 }101 return nil102}103// hasJobTemplateSpec check if the object is CronJob, this kind might have JobTemplateSpec, which contains label fieldPath104func hasJobTemplateSpec(o *fn.KubeObject) bool {105 return o.IsGVK("batch", "", "CronJob")106}107// setJobTemplateSpecMeta set MetaObject in struct JobTemplateSpec108func (p *LabelTransformer) setJobTemplateSpecMeta(o *fn.KubeObject) error {109 // set objectMeta110 fieldPath := FieldPath{"spec", "jobTemplate", "metadata", "labels"}111 if err := updateLabels(&o.SubObject, fieldPath, p.NewLabels, true, p.ResultCount); err != nil {112 return err113 }114 return nil115}116// setJobSpecObjectMeta set MetaObject in struct JobSpec117func (p *LabelTransformer) setJobSpecObjectMeta(o *fn.KubeObject) error {118 // set podTemplateSpec objectMeta119 specfieldPath := FieldPath{"spec", "jobTemplate", "spec", "template", "metadata", "labels"}120 if err := updateLabels(&o.SubObject, specfieldPath, p.NewLabels, true, p.ResultCount); err != nil {121 return err122 }123 return nil124}125// hasJobPodSpec check if the object contains struct JobPodSpec126func hasJobPodSpec(o *fn.KubeObject) bool {127 if cronJobSpec := o.GetMap("spec"); cronJobSpec != nil {128 if jobTemplateSpec := cronJobSpec.GetMap("jobTemplate"); jobTemplateSpec != nil {129 if jobSpec := jobTemplateSpec.GetMap("spec"); jobSpec != nil {130 if podTemplateSpec := jobSpec.GetMap("template"); podTemplateSpec != nil {131 if podSpec := podTemplateSpec.GetMap("spec"); podSpec != nil {132 return true133 }134 }135 }136 }137 }138 return false139}140// setJobPodSpec set labels path in PodSpec for kind CronJob141func (p *LabelTransformer) setJobPodSpec(o *fn.KubeObject) error {142 // set podTemplateSpec affinity143 if hasJobPodSpec(o) {144 podSpecObj := o.GetMap("spec").GetMap("jobTemplate").GetMap("spec").GetMap("template").GetMap("spec")145 if err := p.setPodSpec(podSpecObj); err != nil {146 return err147 }148 }149 return nil150}151// hasNetworkPolicySpec checking if this kind is NetworkPolicy, it would contain struct NetworkPolicySpec152func hasNetworkPolicySpec(o *fn.KubeObject) bool {153 return o.IsGVK("networking.k8s.io", "", "NetworkPolicy")154}155// setNetworkPolicyRule set ingress and egress rules for kind NetworkPolicy156func (p *LabelTransformer) setNetworkPolicyRule(o *fn.KubeObject) error {157 podSelector := FieldPath{"podSelector", "matchLabels"}158 spec := o.GetMap("spec")159 if spec != nil {160 for _, vecObj := range spec.GetSlice("ingress") {161 for _, nextVecObj := range vecObj.GetSlice("from") {162 err := updateLabels(nextVecObj, podSelector, p.NewLabels, false, p.ResultCount)163 if err != nil {164 return err165 }166 }167 }168 for _, vecObj := range spec.GetSlice("egress") {169 for _, nextVecObj := range vecObj.GetSlice("to") {170 err := updateLabels(nextVecObj, podSelector, p.NewLabels, false, p.ResultCount)171 if err != nil {172 return err173 }174 }175 }176 }177 return nil178}179// hasSpecSelector check if the resource contains struct SpecSelector, kind Service and ReplicationController has it180func hasSpecSelector(o *fn.KubeObject) bool {181 if o.IsGVK("", "v1", "Service") || o.IsGVK("", "v1", "ReplicationController") {182 return true183 }184 return false185}186// setSelector set labels for all selectors, including spec selector map, spec selector LabelSelector, LabelSelector in JobTemplate, and podSelector in NetworkPolicy, and187func (p *LabelTransformer) setSelector(o *fn.KubeObject) error {188 if hasSpecSelector(o) {189 fieldPath := FieldPath{"spec", "selector"}190 if err := updateLabels(&o.SubObject, fieldPath, p.NewLabels, true, p.ResultCount); err != nil {191 return err192 }193 }194 if found, create := hasLabelSelector(o); found {195 fieldPath := FieldPath{"spec", "selector", "matchLabels"}196 if err := updateLabels(&o.SubObject, fieldPath, p.NewLabels, create, p.ResultCount); err != nil {197 return err198 }199 }200 if hasJobTemplateSpec(o) {201 fieldPath := FieldPath{"spec", "jobTemplate", "spec", "selector", "matchLabels"}202 if err := updateLabels(&o.SubObject, fieldPath, p.NewLabels, false, p.ResultCount); err != nil {203 return err204 }205 }206 if hasNetworkPolicySpec(o) {207 fieldPath := FieldPath{"spec", "podSelector", "matchLabels"}208 if err := updateLabels(&o.SubObject, fieldPath, p.NewLabels, false, p.ResultCount); err != nil {209 return err210 }211 }212 return nil213}214// hasLabelSelector check if the resource contains struct LabelSelector, return (if the resource has LabelSelector, if the LabelSelector need to be created if not exist)215func hasLabelSelector(o *fn.KubeObject) (bool, bool) {216 if o.IsGVK("", "", "Deployment") || o.IsGVK("", "", "ReplicaSet") || o.IsGVK("", "", "DaemonSet") || o.IsGVK("apps", "", "StatefulSet") {217 return true, true218 }219 if o.IsGVK("batch", "", "Job") || o.IsGVK("policy", "", "PodDisruptionBudget") {220 return true, false221 }222 return false, false223}224// hasPodTemplateSpec check if the resource contains struct PodTemplateSpec, ReplicationController, Deployment, ReplicaSet, DaemonSet, StatefulSet, Job kind has it225func hasPodTemplateSpec(o *fn.KubeObject) bool {226 switch {227 case o.IsGVK("", "v1", "ReplicationController"):228 return true229 case o.IsGVK("", "", "Deployment"):230 return true231 case o.IsGVK("", "", "ReplicaSet"):232 return true233 case o.IsGVK("", "", "DaemonSet"):234 return true235 case o.IsGVK("apps", "", "StatefulSet"):236 return true237 case o.IsGVK("batch", "", "Job"):238 return true239 default:240 return false241 }242}243// setPodTemplateSpec set label path for PodTemplateSpec, both its ObjectMeta and its PodSpec244func (p *LabelTransformer) setPodTemplateSpec(o *fn.KubeObject) error {245 if hasPodTemplateSpec(o) {246 // set objectMeta247 if err := p.setSpecObjectMeta(o); err != nil {248 return err249 }250 // set podSpec251 if hasPodSpec(o) {252 if err := p.setPodSpec(o.GetMap("spec").GetMap("template").GetMap("spec")); err != nil {253 return err254 }255 }256 }257 // PodTemplateSpec can also be in JobTemplateSpec258 if hasJobTemplateSpec(o) {259 if err := p.setJobSpecObjectMeta(o); err != nil {260 return err261 }262 if err := p.setJobPodSpec(o); err != nil {263 return err264 }265 }266 return nil267}268// hasVolumeClaimTemplates check if the resource contains struct VolumeClaimTemplates, kind StatefulSet has it269func hasVolumeClaimTemplates(o *fn.KubeObject) bool {270 return o.IsGVK("apps", "", "StatefulSet")271}272// setVolumeClaimTemplates set VolumeClaimTemplates label path273func (p *LabelTransformer) setVolumeClaimTemplates(o *fn.KubeObject) error {274 if hasVolumeClaimTemplates(o) {275 metaLabelPath := FieldPath{"metadata", "labels"}276 if o.GetMap("spec") != nil {277 for _, vctObj := range o.GetMap("spec").GetSlice("volumeClaimTemplates") {278 err := updateLabels(vctObj, metaLabelPath, p.NewLabels, true, p.ResultCount)279 if err != nil {280 return err281 }282 }283 }284 }285 return nil286}287// hasPodSpec check if the resource has struct PodSpec288func hasPodSpec(o *fn.KubeObject) bool {289 if spec := o.GetMap("spec"); spec != nil {290 if template := spec.GetMap("template"); template != nil {291 if podSpec := template.GetMap("spec"); podSpec != nil {292 return true293 }294 }295 }296 return false297}298// setPodSpec set label path in PodSpec, that include path under topologySpreadConstraints and affinity299func (p *LabelTransformer) setPodSpec(podSpec *fn.SubObject) error {300 labelSelector := FieldPath{"labelSelector", "matchLabels"}301 _, exist, _ := podSpec.NestedSlice("topologySpreadConstraints")302 if exist {303 for _, obj := range podSpec.GetSlice("topologySpreadConstraints") {304 err := updateLabels(obj, labelSelector, p.NewLabels, false, p.ResultCount)305 if err != nil {306 return err307 }308 }309 }310 subObj := podSpec.GetMap("affinity")311 if subObj != nil {312 for _, aff := range []string{"podAffinity", "podAntiAffinity"} {313 podAff := subObj.GetMap(aff)314 if podAff != nil {315 for _, obj := range subObj.GetSlice("preferredDuringSchedulingIgnoredDuringExecution") {316 nxtObj := obj.GetMap("podAffinityTerm")317 if nxtObj != nil {318 err := updateLabels(nxtObj, labelSelector, p.NewLabels, false, p.ResultCount)319 if err != nil {320 return err321 }322 }323 }324 for _, obj := range subObj.GetSlice("requiredDuringSchedulingIgnoredDuringExecution") {325 err := updateLabels(obj, labelSelector, p.NewLabels, false, p.ResultCount)326 if err != nil {327 return err328 }329 }330 }331 }332 }333 return nil334}335// setSpecObjectMeta takes in spec subObject and check its field for ObjectMeta, create key value if not existed336func (p *LabelTransformer) setSpecObjectMeta(o *fn.KubeObject) error {337 metaLabelsPath := FieldPath{"spec", "template", "metadata", "labels"}338 err := updateLabels(&o.SubObject, metaLabelsPath, p.NewLabels, true, p.ResultCount)339 if err != nil {340 return err341 }342 return nil343}344// setObjectMeta set ObjectMeta labels for all resources345func (p *LabelTransformer) setObjectMeta(o *fn.KubeObject) error {346 metaLabelsPath := FieldPath{"metadata", "labels"}347 err := updateLabels(&o.SubObject, metaLabelsPath, p.NewLabels, true, p.ResultCount)348 if err != nil {349 return err350 }351 return nil352}353// LogResult logs the KRM resource that has the labels changed354func (p *LabelTransformer) LogResult(o *fn.KubeObject, labelCount map[string]int) {355 // no labels get updated, no log356 if len(labelCount) == 0 {357 return358 }359 keys := make([]string, 0)360 for k := range labelCount {361 keys = append(keys, k)362 }363 sort.Strings(keys)364 for i := 0; i < len(keys); i++ {365 key := keys[i]366 labelCountValue := labelCount[key]367 msg := fmt.Sprintf("set labels {%v} %v times", key, labelCountValue)368 newResult := fn.Result{369 Message: msg,370 Severity: "",371 ResourceRef: nil,372 Field: nil,373 File: &fn.File{374 Path: o.PathAnnotation(),375 Index: o.IndexAnnotation(),376 },377 Tags: nil,378 }379 p.Results = append(p.Results, &newResult)380 }381}382// updateLabels the update process for each label, sort the keys to preserve sequence, return if the update was performed and potential error383func updateLabels(o *fn.SubObject, labelPath FieldPath, newLabels map[string]string, create bool, updatedLabelsCount map[string]int) error {384 keys := make([]string, 0)385 for k := range newLabels {386 keys = append(keys, k)387 }388 sort.Strings(keys)389 for i := 0; i < len(keys); i++ {390 key := keys[i]391 val := newLabels[key]392 newPath := append(labelPath, key)393 oldValue, exist, err := o.NestedString(newPath...)394 if err != nil {395 return err396 }397 //TODO: should support user configurable field for labels398 if (exist && oldValue != val) || (!exist && create) {399 if err = o.SetNestedString(val, newPath...); err != nil {400 return err401 }402 recordLabel := fmt.Sprintf("%v : %v", key, val)403 updatedLabelsCount[recordLabel] += 1404 }405 }406 return nil407}...

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client.go

Source:client.go Github

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...91 return err92 }93 return nil94}95// UpdateLabels is a method to update an existing cron job labels96func (c *Client) UpdateLabels(cronJobSpec *v1.CronJob, oldLabels, newLabels map[string]string) error {97 cronJobClient := c.ClientSet.BatchV1().CronJobs(c.Namespace)98 ctx := context.Background()99 for key := range oldLabels {100 delete(cronJobSpec.Labels, key)101 }102 for key, value := range newLabels {103 cronJobSpec.Labels[key] = value104 }105 if _, err := cronJobClient.Update(ctx, cronJobSpec, metav1.UpdateOptions{}); err != nil {106 return err107 }108 return nil109}110// Delete is a method to delete an existing cron job...

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UpdateLabels

Using AI Code Generation

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1import (2func main() {3 if home := homeDir(); home != "" {4 kubeconfig = flag.String("kubeconfig", filepath.Join(home, ".kube", "config"), "(optional) absolute path to the kubeconfig file")5 } else {6 kubeconfig = flag.String("kubeconfig", "", "absolute path to the kubeconfig file")7 }8 flag.Parse()9 config, err := clientcmd.BuildConfigFromFlags("", *kubeconfig)10 if err != nil {11 panic(err.Error())12 }13 clientset, err := kubernetes.NewForConfig(config)14 if err != nil {15 panic(err.Error())16 }17 cronjob := &batchv1beta1.CronJob{18 ObjectMeta: metav1.ObjectMeta{19 },20 Spec: batchv1beta1.CronJobSpec{21 JobTemplate: batchv1beta1.JobTemplateSpec{22 Spec: batchv1.JobSpec{23 Template: v1.PodTemplateSpec{24 Spec: v1.PodSpec{25 Containers: []v1.Container{26 {27 Command: []string{"echo", "Hello, Kubernetes!"},28 },29 },30 },31 },32 },33 },34 },35 }36 fmt.Println("Creating cronjob...")37 result, err := clientset.BatchV1beta1().CronJobs("default").Create(cronjob)38 if err != nil {39 panic(err)40 }41", result.GetObjectMeta().GetName())42 update.Labels = map[string]string{"app": "demo"}43 fmt.Println("Updating cronjob...")

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UpdateLabels

Using AI Code Generation

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1import (2func main() {3 config, err := clientcmd.BuildConfigFromFlags("", "/home/username/.kube/config")4 if err != nil {5 panic(err.Error())6 }7 clientset, err := kubernetes.NewForConfig(config)8 if err != nil {9 panic(err.Error())10 }11 cronjob, err := clientset.BatchV1beta1().CronJobs("default").Get("mycronjob", metav1.GetOptions{})12 if err != nil {13 panic(err.Error())14 }15 fmt.Println("Old labels:", cronjob.Labels)16 cronjob.Labels = labels.Set{"app": "myapp"}17 _, err = clientset.BatchV1beta1().CronJobs("default").Update(cronjob)18 if err != nil {19 panic(err.Error())20 }21 fmt.Println("New labels:", cronjob.Labels)22}23import (24func main() {25 config, err := clientcmd.BuildConfigFromFlags("", "/home/username/.kube/config")26 if err != nil {27 panic(err.Error())28 }29 clientset, err := kubernetes.NewForConfig(config)30 if err != nil {31 panic(err.Error())32 }33 cronjob, err := clientset.BatchV1beta1().CronJobs("default").Get("mycronjob", metav1.GetOptions{})34 if err != nil {35 panic(err.Error

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UpdateLabels

Using AI Code Generation

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1import (2func main() {3 if home := homedir.HomeDir(); home != "" {4 kubeconfig = flag.String("kubeconfig", filepath.Join(home, ".kube", "config"), "(optional) absolute path to the kubeconfig file")5 } else {6 kubeconfig = flag.String("kubeconfig", "", "absolute path to the kubeconfig file")7 }8 flag.Parse()9 config, err := clientcmd.BuildConfigFromFlags("", *kubeconfig)10 if err != nil {11 panic(err.Error())12 }13 clientset, err := kubernetes.NewForConfig(config)14 if err != nil {15 panic(err.Error())16 }17 cronJob, err := clientset.BatchV1beta1().CronJobs("default").Get("mycronjob", metav1.GetOptions{})18 if err != nil {19 log.Fatal(err)20 }21 fmt.Printf("Found CronJob %s22 if cronJob.Labels == nil {23 cronJob.Labels = make(map[string]string)24 }25 _, err = clientset.BatchV1beta1().CronJobs("default").Update(cronJob)26 if err != nil {27 log.Fatal(err)28 }29 fmt.Printf("Updated CronJob %s30}31Example 2: Using Update() method of CronJob class to update CronJob32import (

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UpdateLabels

Using AI Code Generation

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1import (2func main() {3 config, err := rest.InClusterConfig()4 if err != nil {5 fmt.Println("error in creating config")6 panic(err.Error())7 }8 clientset, err := kubernetes.NewForConfig(config)9 if err != nil {10 fmt.Println("error in creating clientset")11 panic(err.Error())12 }13 cronjob, err := clientset.BatchV1beta1().CronJobs("default").Get("cronjob1", metav1.GetOptions{})14 if err != nil {15 fmt.Println("error in getting cronjob")16 panic(err.Error())17 }18 fmt.Println("Cronjob labels before update: ", cronjob.Labels)19 selector := labels.Set(cronjob.Labels).AsSelectorPreValidated()20 cronjob, err = clientset.BatchV1beta1().CronJobs("default").UpdateLabels("cronjob1", cronjob.Labels, selector)21 if err != nil {22 fmt.Println("error in updating cronjob labels")23 panic(err.Error())24 }25 fmt.Println("Cronjob labels after update: ", cronjob.Labels)26}

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UpdateLabels

Using AI Code Generation

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1import ( 2func main() { 3 config, err := clientcmd.BuildConfigFromFlags("", "config")4 if err != nil {5 panic(err.Error())6 }7 clientset, err := kubernetes.NewForConfig(config)8 if err != nil {9 panic(err.Error())10 }11 cronjob, err := clientset.BatchV1beta1().CronJobs("default").Get("example-cronjob", metav1.GetOptions{})12 if err != nil {13 panic(err.Error())14 }15 _, err = clientset.BatchV1beta1().CronJobs("default").UpdateLabels(cronjob)16 if err != nil {17 panic(err.Error())18 }19 fmt.Println("CronJob updated successfully")20}

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UpdateLabels

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1import (2func main() {3 klog.InitFlags(nil)4 config, err := clientcmd.BuildConfigFromFlags("", "/home/rohit/.kube/config")5 if err != nil {6 panic(err.Error())7 }8 clientset, err := kubernetes.NewForConfig(config)9 if err != nil {10 panic(err.Error())11 }12 req, err := labels.NewRequirement("app", selection.Equals, []string{"cronjob"})13 if err != nil {14 klog.Error(err)15 }16 selector := labels.NewSelector().Add(*req)17 cronjobs, err := clientset.BatchV1beta1().CronJobs("default").List(metav1.ListOptions{LabelSelector: selector.String()})18 if err != nil {19 klog.Error(err)20 }21 for _, cronjob := range cronjobs.Items {22 err = retry.RetryOnConflict(retry.DefaultRetry, func() error {23 result, getErr := clientset.BatchV1beta1().CronJobs(cronjob.Namespace).Get(cronjob.Name, metav1.GetOptions{})24 if getErr != nil {25 panic(fmt.Errorf("Failed to get latest version of CronJob: %v", getErr))26 }27 _, updateErr := clientset.BatchV1beta1().CronJobs(cronjob.Namespace).Update(result)28 })29 if err != nil {30 panic(fmt.Errorf("Failed to update CronJob: %v", err))31 }32 }33}

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UpdateLabels

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1import (2func main() {3 config, err := rest.InClusterConfig()4 if err != nil {5 if config, err = clientcmd.BuildConfigFromFlags("", os.Getenv("HOME")+"/.kube/config"); err != nil {6 panic(err.Error())7 }8 }9 clientset, err := kubernetes.NewForConfig(config)10 if err != nil {11 panic(err.Error())12 }13 cronjob, err := clientset.BatchV1beta1().CronJobs("default").Get("hello", metav1.GetOptions{})14 if err != nil {15 log.Fatal(err)16 }17 cronjob, err = clientset.BatchV1beta1().CronJobs("default").Update(cronjob)18 if err != nil {19 log.Fatal(err)20 }21 selector := labels.Set{"foo": "bar"}.AsSelector()22 cronjob, err = clientset.BatchV1beta1().CronJobs("default").Get("hello", metav1.GetOptions{})23 if err != nil {24 log.Fatal(err)25 }26 if err := updateCronJobLabels(clientset, cronjob, selector); err != nil {27 log.Fatal(err)28 }29}30func updateCronJobLabels(clientset *kubernetes.Clientset, cronjob *v1beta1.CronJob, selector labels.Selector) error {31 cronjob, err := clientset.BatchV1beta1().CronJobs(cronjob.Namespace).Get(cronjob.Name, metav1.GetOptions{})32 if err != nil {33 }34 cronjob.Spec.JobTemplate.Labels = selector.MatchLabels()

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UpdateLabels

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1import (2func main() {3 c := cron.New()4 c.AddFunc("* * * * *", func() { fmt.Println("Every minute on the minute") })5 c.AddFunc("*/5 * * * *", func() { fmt.Println("Every 5 minutes") })6 c.AddFunc("0 0 1 * *", func() { fmt.Println("Every day on the 1st at midnight") })7 fmt.Println("Crontab entries:")8 for _, entry := range c.Entries() {9 fmt.Println(entry)10 }11 c.UpdateLabels(c.Entries()[0], "foo", "bar")12 fmt.Println("Updated crontab entries:")13 for _, entry := range c.Entries() {14 fmt.Println(entry)15 }16 c.Start()17 time.Sleep(10 * time.Second)18 c.AddFunc("*/2 * * * *", func() { fmt.Println("Every 2 minutes") })19 fmt.Println("Inspecting 2nd entry's next and previous run times:")20 inspect(c.Entries()[1])21 c.Remove(c.Entries()[0])22 fmt.Println("Crontab entries after removing 1st entry:")23 for _, entry := range c.Entries() {24 fmt.Println(entry)25 }26 c.Stop()27}28func inspect(entry cron.Entry) {29 fmt.Printf("Next Run: %s30 fmt.Printf("Prev Ru

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UpdateLabels

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1import (2func main() {3 config, err := rest.InClusterConfig()4 if err != nil {5 if config, err = clientcmd.BuildConfigFromFlags("", os.Getenv("HOME")+"/.kube/config"); err != nil {6 panic(err.Error())7 }8 }9 clientset, err := kubernetes.NewForConfig(config)10 if err != nil {11 panic(err.Error())12 }13 cronjob, err := clientset.BatchV1().CronJobs(namespace).Get(cronjobName, metav1.GetOptions{})14 if err != nil {15 if errors.IsNotFound(err) {16 log.Printf("CronJob %s in namespace %s not found", cronjobName, namespace)17 } else {18 log.Printf("Error getting CronJob %s in namespace %s: %v", cronjobName, namespace, err)19 }20 }21 fmt.Println(cronjob.Labels)22 fmt.Println("Updating Labels")

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